Mei, a married woman working at a convenience store, is attracted to Aoi, a college student who Kokoro at her part-time job, and makes a mistake one night out of loneliness caused by her husband's cold treatment. After that, the two of them give themselves over to pleasure and realize that their bodies are a perfect match. Having discovered the passionate young man's big dick, the married woman goes crazy and does it over and over again during her break at work and during the service time at the love hotel...